PlayStation 4 dev idc released new scripts on Github that invoke the PS4 kernel to decrypt the contents of a PS4 update file (firmware) and pup unpacker scripts, now before you ask no this release is not going to get you any steps closer to a PS4 CFW but as zecoxao outlines on his twitter this can help "porting webkit exploit everywhere, for instance. you can decrypt any usermode elfs from 1.00 to 3.55/3.70 because sony forgot to change keyset",
PuP Decryptionpup_decrypt: A utility to invoke the PS4 kernel to decrypt the contents of an update file. The default (hardcoded) operation is to decrypt /mnt/usb0/PS4UPDATE.PUP. This will output a number of files (depending if a normal or a recovery update):
These decrypted updates can then be further unpacked using a tool capable of doing so.
Note The PS4 will refuse to decrypt updates in some cases: Versions older than the installed version (for the most part, there's exceptions for things like beta versions).
Versions for a different product code (retail cannot decrypt test or debug updates)
View attachment 8021
pup_unpack A utility to unpack PS4 update blobs that have been previously decrypted using pup_decrypt.
Note This utility will not unpack the contents of nested filesystems. The filesystem images in updates are FAT32, exFAT, etc images and can be mounted or unpacked with other tools.
via zecoxao's Twitter
- Q (via twitter): What could this lead to ?
- A (via zecoxao): porting webkit exploit everywhere, for instance . you can decrypt any usermode elfs from 1.00 to 3.55/3.70 because sony forgot to change keyset
- Q (via Twitter): Is the first step to actual CFW, is there a way to repack and encrypt the PUP again?
- A (via zecoxao): no and there never will be unless you own a 15 million dollar quantum computer
Source Code (via Github):
PS4 PS4 PuP Decrypt and Unpacker by idc - (Good for webkit exploits?)
By LightningMods on Jan 31, 2017 at 12:43 AM
Mira Project v1.0 - Developer's Release from #TeamOrbisWoW the PS4 Scene is exploding with alot of hard work from many developer's coming together in the scene. the other day TeamOrbis unveiled a preview of Mira Project (CFW Abilities w/ MiraCFW) for the PS4, now the team has made available a Beta version for Developer's. I would caution installing this if your are worried about a potential errors as this is not quite ready for mass adoption yet and missing some aspects that will appear in later releases. The team just recently published a roadmap (seen below) for the upcoming releases and what those updates will provide, lets be honest here its looks very exciting and promising as these developer's are really coming together for some amazing progress on the PS4. @Roxanne covered many aspects of this project already in her preview >> Meet "The Mira Project" - a (kind-of) CFW for your PS4 by #TeamOrbis from the other day so check that out for additional details and then checkout the latest details / release found below from the OpenOrbis Team..Continue reading
Meet "The Mira Project" - a (kind-of) CFW for your PS4 by #TeamOrbisWith the latest achievements regarding Kernel Exploits and other useful things for both System Firmware 5.05 and System Firmware 5.53 together with the older exploits like for System Firmware 4.55 or even for System Firmware 1.76 - you have probably already recognized that compared to the PS3 - a lot of have changed for the PS4 when you wanted to play your backups or to install some Homebrew. Instead of installing a Custom Made Firmware (CFW) from a USB-Device, you will use a bug in the Original System Software (OFW) itself to allow such mentioned things. This method isn't that bad but further investigations from the System itself is very limited compared to a CFW like for the PS3, where you had full access and control about your console by doing things whatever you wanted to do. But this could now change for the PS4 with the interesting Project behind #TeamOrbis called "The Mira Project".Continue reading
Kernel Exploit for FW 5.53 sneak-peek by @MathieulhRemember when we talked about that the PS4 is still in search of it's full potential and that the Developers are still hard-working with Exploits and other cool stuff for newer System Firmwares - like @SpecterDev does with System Firmware 5.05 - then you shouldn't be suprised that other great Developers like @Mathieulh are also using their research for exploiting even newer System Firmwares - as he showed it with his little "sneak-peek" for System Firmware 5.53. This would mean that the lastest System Firmware from Sony would be exploitable and Homebrew would be possible - by the current state of reading.Continue reading
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